Complete boxed set of E2 Class of Test weights for use with precision Balances. Constructed from stainless steel. Set includes: 1 x 1g - Tol:0.03mg 2 x 2g - Tol:0.04mg 1 x 5g - Tol: 0.05mg 1 x 10g - Tol:0.06mg 2 x 20g - Tol:0.08mg 1 x 50g - Tol:0.10mg 1 x 100g - Tol:0.15mg 2 x 200g - Tol:0.30mg 1 x 500g - Tol:0.75mg 1 x 1kg - Tol:1.5mg 2 x 2kg - Tol:3.0mg 1 x 5kg - Tol:7.5mg Set supplied in wooden box complete with tweezers, glove and dust brush.